chore(deps): update babel monorepo to v7.12.0 (#510)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -38,10 +38,10 @@
     "ws": "7.1.2"
   },
   "devDependencies": {
-    "@babel/core": "7.11.6",
+    "@babel/core": "7.12.0",
     "@babel/plugin-proposal-class-properties": "7.10.4",
-    "@babel/preset-env": "7.11.5",
-    "@babel/preset-typescript": "7.10.4",
+    "@babel/preset-env": "7.12.0",
+    "@babel/preset-typescript": "7.12.0",
     "@semantic-release/git": "8.0.0",
     "@types/jest": "26.0.14",
     "@types/node": "12.12.31",